Kurzweil K2600R Technical document

Specifications
K2600 Features
A-1
Appendix A
Specifications
K2600 Features
¥ 240 x 64-pixel backlit ßuorescent graphic display with adjustable contrast
¥ 3.5-inch ßoppy disk drive, for DD or HD disks, DOS compatible
¥ MIDI In, Thru, and Out with selectable second MIDI Out
¥ MIDI LED to indicate MIDI activity
¥ 48-note polyphony with dynamic voice allocation
¥ Multi-timbral, for multi-track sequencing and recording
¥ Hundreds of factory preset programs, and mroe than 100 factory preset setups
¥ Up to three layers per program, up to 32 layers for drum programs
¥ Receives mono (channel) pressure and poly (key) pressure
¥ Eight-zone setups transmit on eight MIDI channels with independent programmable controls
¥ Fully featured onboard sequencer for recording from keyboard or via MIDI; loads and plays MIDI
Type 0 sequences
¥ Easy-to-use programming interface including soft buttons, Alpha Wheel, and alphanumeric pad
¥ Eight Megabytes of 16-bit sample ROM, including acoustic instrumental sounds, waveforms, and
noise
¥ 20 KHz maximum bandwidth
¥ Optional stereo sampler with analog and digital inputs
¥ AES/EBU I/Os and optical I/O
¥ Sound ROM expandable to a total of 28 Megabytes
¥ Two SIMM sockets for optional sample RAMÑup to 128 Megabytes
¥ Stereo sample playback capability
¥ Akai
¨
S1000, Roland,
¨
and EPS
¨
sample disk compatibility
¥ Two 1/4-inch mixed audio outputs (stereo pair)
¥ Eight 1/4-inch audio outputs programmable as four stereo pairs or as eight separate outputs, with
insert capability for effects patching
¥ Stereo headphone jack

A-2
Specifications
Environmental Specifications
¥ 500K battery-backed RAM for user programs, setups and other objects, expandable to 1500K
¥ Two SCSI ports for connection with external SCSI disks, CD-ROM drives, or personal computers
¥ Optional internal hard disk
¥ Optional eight-channel interface to AES, ADAT, DA-88
¥ Realtime DSP for each voice: 31 programmable DSP algorithms incorporating Þlters, EQ, distortion,
panning, pulse width modulation, and more; up to 3 programmable DSP functions per voice
¥ Filters: Lowpass, Highpass, Allpass, Bandpass, Notch, programmable resonance
¥ Programmable stereo multi-effects on MIX outputs, including simultaneous reverb, chorus, delay,
ßanging, EQÑand more
¥ Realtime internal and MIDI control of effects parameters
¥ MIDI standard sample dump/load capability
¥ SMDI sample dump/load capability
¥ System Exclusive implementation
¥ MIDIScopeª for analyzing MIDI events
Environmental Specifications
Temperature Ranges
Relative Humidity Ranges (Non-condensing)
For operation: minimum 41° F (5° C)
maximum 104° F (40° C)
For storage: minimum -13 ° F (-25° C)
maximum 186° F (85° C)
Operation and storage: 5—95%

Specifications
Physical Specifications
A-3
Physical Specifications
Electrical Specifications
AC supply: selectable; 100V, 120V, 220V, or 240V. 1.0 amps at 120 volts nominal
SafeVoltage Ranges
If the voltage drops below the minimum safe level at any voltage setting, the K2600 will reset,
but no data will be lost. If the voltage exceeds the maximum safe level, the K2600 may overheat.
Overall dimensions
K2600R K2600 K2600X
Width 16.9in
1
1. Excluding rack-mount brackets
43.0cm 47.8 in 121.4cm 54.3 in 137.9cm
Depth 13.9in 35.4cm 17.8 in 45.1cm 17.8 in 45.1cm
Height 5.1 in 13.0cm 4.8 in 12.2cm 4.8 in 12.2cm
Weight 24.65lb 11.2 kg 55.5 lb 25.2 kg 72.0 lb 32.7 kg
Voltage setting: 100V 120V 220V 240V
Safe voltage range: 85—107 95—125 180—232 190—250
Safe frequency range: 48—65 48—65 48—65 48—65

A-4
Specifications
Analog Audio Specifications
Analog Audio Specifications
Audio Jacks
¥ 1/4-inch TRS balanced/unbalanced
¥ Tip = Positive
¥ Ring = Negative
¥ Sleeve = Chassis Ground
Separate Outputs
Mix Outputs
Headphone Output
Balanced Unbalanced
Maximum Output 21 dBu 15 dBu
Output Impedance 200 Ω 200 Ω
Balanced Unbalanced
Maximum Output 27 dBu 21 dBu
Output Impedance 200 Ω 200 Ω
Maximum Output 21 dBu
Output Impedance 47 Ω

Specifications
MIDI Implementation Chart
A-5
MIDI Implementation Chart
Model: K2600
Manufacturer: Date: 3/21/95
Young Chang Version 1.0
Digital Synthesizers
Mode 1: Omni On, Poly Mode 2: Omni On, Mono O = yes
Mode 3: Omni Off, Poly Mode 4: Omni Off, Mono X =no
Function Transmitted Recognized Remarks
Basic Channel Default 1 1 Memorized
Changed 1 - 16 1 - 16
Mode
Default Mode 3 Mode 3 Use Multi mode for multi-
timbral applications
Messages
Altered
Note Number 0 - 127 0–11 sets intonation key
True Voice 0 - 127 0 - 127
Velocity Note ON O O
Note OFF O O
After Touch Keys X O
Channels O O
Pitch Bender O O
Control Change O 0 - 31 32 - 63 (LSB)
64 - 127
O 0 - 31
32 - 63 (LSB)
64 - 127
Controller assignments are
programmable
Program Change O 1 - 999 O 1 - 999 Standard and custom
formats
True # 0 - 127 0 - 127
System Exclusive O O*
System Common
Song Pos. O O
Song Sel. O O
TuneXX
System Real Time Clock O O
Messages O O
Aux Messages
Local Control O O
All Notes Off O O
Active Sense X X
Reset X X
Notes *Manufacturer’s ID = 07
Device ID:default = 0;
programmable 0–127